package com.teach.servlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/logout.let")
public class LogoutServlet extends HttpServlet {

  @Override
  protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//    req.getSession().removeAttribute("auth");//移除属性
    req.getSession().invalidate();//注销会话
//    req.getSession().setMaxInactiveInterval(30);//设置会话的超时事件,单位:分钟,web.xml中可以全局设置
    resp.sendRedirect(req.getContextPath()+"/index.html");
  }
}
